An adjective used for describing how gross, unkempt, unclean, or how disheveled a person is.
Hayden is looking especially nappy today; he hasn't showered for 3 weeks!
by Butch #2 January 24, 2012
an adjective used to describe someone or something that is uncool or undesirable.
Look at that guy with the nappy mullet.
by Bones Davis March 23, 2010
1. (Noun) Someone with excessively frizzy or curly hair. They often get self-concious of there nappiness and call the kid that sits behind them nappy even though he keeps his hair under control. Occasionally they will also get jealous of his shoes and go buy a pair for themselves. But, he cant blame her because he does have some pretty nifty kicks.

2. (Noun) Brittish term for diaper.
1. Ashley was self-concious of her borderline-dreadlocks so she nicknamed Michael "nappy" and stole his shoes.

2. Ashley was never potty-trained and still wears a nappy.
by NotMichael August 27, 2009
Nappy is essentially a mix between the words "nasty" and "crappy". It it used to describe anything that would disgust the user of the word.
Guy 1: Ugh, dude, did you fart?
*Guy 2 giggles*
Guy 1: Dude, that's nappy!

Guy 1: There's a bone in my McChicken...
Guy 2: Nappy, dude... We're goin' back.
by GrahammyBear September 19, 2010
a ugly, scary, terrifying, horrific, unfun, unsafe, even or unattractive women.
Rex: " I just saw a guy step in dog crap, then trip and fall fast first the sidewalk."
Dan: "Nappy."

Lloyd: "There was a chick outside that perfectly resembled a walrus."
Ethan: "Yeah and the beard added to the overall nappyness."
by Limmy Bardin September 13, 2010
Someone who is in love with someone but they have no chance of being with that person.
There's this girl who has been in love with me for about 7 years. She's a good friend, but I would NEVER take it to the next level. I do NOT see her in that light nor could I EVER see her in that light. Moreover, she has absolutely no chance with me. Therefore, she is a Nappy...
by Jerlene May 24, 2010
Disgusting, revolting, ugly, rank, or vile.
JG: Slal did u see that chick at the dance?
Slal: Yeah gross she was nappy as hell!
by slalz December 06, 2009

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